<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8"/>
    <title>Title</title>
</head>
<body>
    <h1>hello login</h1>
<form action="login" method="post">
    <div><input name="username" type="text" /></div>
    <div><input name="password" type="password"/></div>
    <div><input type="submit" value="登录"/></div>
</form>
</body>
</html>